Vsend Select - Icom IC-7100 Advanced Instructions

Hf/vhf/uhf all mode transceiver
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17
SET MODE
Connectors Set mode (Continued)
DV Data/GPS Out Baud
Connectors > USB2/DATA1 Function > DV Data/GPS
Out Baud (DV Data/GPS Out Baud)
Set the DV or GPS data transfer speed to 4800 or 9600
bps.
RTTY Decode Baud
Connectors > USB2/DATA1 Function > RTTY Decode
Baud (RTTY Decode Baud)
Set the RTTY decode monitor speed to 300, 1200,
4800, 9600 or 19200 bps.

VSEND Select

Connectors > VSEND Select (VSEND Select)
Select the band to use for the [ACC] socket's pin 7
(VSEND usage) and pin 3 (HSEND usage).
• OFF:
VSEND is not used.
HSEND is used for all bands.
• UHF:
VSEND is used for the 430 MHz band.
HSEND is used for the HF/50 MHz and
144 MHz bands.
• VHF/UHF: VSEND is used for the 144 MHz and 430
MHz bands.
HSEND is used for the HF/50 MHz
bands.
9600bps Mode
Connectors > 9600bps Mode (9600bps Mode)
Select whether to allow data transmission at 9600 bps,
or not on the [DATA2] socket.
• OFF: Disables data transmission at 9600 bps on the
[DATA2] socket. This is used for regular audio or
slower data transmission only.
• ON: Enables data transmission at 9600 bps on the
[DATA2] socket.
(Default: 4800)
(Default: 9600)
(Default: VHF/UHF)
(Default: OFF)
17-26

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Questions and answers

William Carpenter
January 26, 2025

IC-7100 is two months old. Power suddenly cut off. Fuses are OK. No obvious damage internally. Can something with the control head cause unit not to power up?

1 comments:
Mr. Anderson
February 10, 2025

Yes, a control head issue can cause the Icom IC-7100 to not power up. The control head receives power through the extension cable with shielded RJ45 connectors. If there is high resistance in the power wires or a poor connection in the umbilical cable, it may prevent the control head from receiving enough power to function properly. Reseating both connectors may help resolve the issue.

This answer is automatically generated

Norman Dorn
May 3, 2025

re ICOM 7100. Digital mode operations leave the mike path inoperable. What protocols are required on the DV USB computer/transceiver cable? Transceiver control head display shows USB-D when the intent is USB.

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